Home / 930,923,139.20-1,396,384,708.80-852,317,110.40

Finding the Fourth Proportional to 930,923,139.20, 1,396,384,708.80 and 852,317,110.40

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Solution

The fourth proportional to 930,923,139.20, 1,396,384,708.80 and 852,317,110.40 is: 1,278,475,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,923,139.20 : 1,396,384,708.80 = 852,317,110.40 : x
  2. Step 2: Convert to fraction form
    930,923,139.20/1,396,384,708.80 = 852,317,110.40/x
  3. Step 3: Cross multiply
    930,923,139.20x = 1,396,384,708.80 × 852,317,110.40
  4. Step 4: Simplify right side
    930,923,139.20x = 1,190,162,580,011,161,344
  5. Step 5: Solve for x
    x = 1,190,162,580,011,161,344/930,923,139.20
  6. Step 6: Final answer
    x = 1,278,475,665.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.